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WIP: HLSL: add ability to pass struct buffers with counters to fns

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This modifies function parameter passing to pass the counter
buffer associated with a struct buffer to a function as a
hidden parameter.  Similarly function declarations will have
hidden parameters added to accept the associated counter buffers.

There is a limitation: if a SB type may or may not have an associated
counter, passing it as a function parameter will assume that it does, and
the counter will appear in the linkage whether or not there is a counter
method used on the object.
This commit is contained in:
steve-lunarg 2017-04-27 11:22:32 -06:00
parent b29cc30cdb
commit 2bb1f39fa7
6 changed files with 533 additions and 108 deletions
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4
hlsl/hlslParseHelper.h
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@ -275,6 +275,7 @@ protected:
// Test method names
bool isStructBufferMethod(const TString& name) const;
void counterBufferType(const TSourceLoc& loc, TType& type);
// Return standard sample position array
TIntermConstantUnion* getSamplePosArray(int count);
@ -283,6 +284,9 @@ protected:
bool isStructBufferType(const TType& type) const { return getStructBufferContentType(type) != nullptr; }
TIntermTyped* indexStructBufferContent(const TSourceLoc& loc, TIntermTyped* buffer) const;
TIntermTyped* getStructBufferCounter(const TSourceLoc& loc, TIntermTyped* buffer);
TString getStructBuffCounterName(const TString&) const;
void addStructBuffArguments(const TSourceLoc& loc, TIntermAggregate*&);
void addStructBufferHiddenCounterParam(const TSourceLoc& loc, TParameter&, TIntermAggregate*&);
// Return true if this type is a reference. This is not currently a type method in case that's
// a language specific answer.